The Practice of Science

Which statement is considered an actual scientific theory?

• The scientist uses evidence to support the idea that cells come from pre-existing cells.

• The mechanic stated that a Toyota drives better than a Chevrolet.

• My Biologist believes his heart beats faster when he watches romantic movies.

• My dermatologist assumed that I drank a lot of soda.

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NGSS.MS-LS2-4

You are testing how the amount you water a plant affects its growth. What would be the INDEPENDENT VARIABLE in this experiment.

• They type of pot you put the plants in.

• The amount of sunlight the plants get.

• The amount you water each plant.

• The amount the plant grows.

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NGSS.MS-LS1-5

NGSS.MS-LS2-1

A wild life photographer observed a large herd of antelope traveling through the plains of Africa for 3 days. 2 different groups of predators followed the herd trying to feed their packs. The data below shows the results of the investigation. What was a benefit of the way the photographer did the investigation?

• It allowed the photographer to have control over variables that caused the antelopes to behave in

  certain ways.

• It allowed the photographer to follow a controlled method of observing animals that other scientists

  could replicate.

• It allowed the photographer to observe the natural behaviors of animals that would be hard to

  observe in a controlled setting.

• It allowed the photographer to make predictions and manipulate the animals into performing

  behaviors that supported his hypothesis.

The name of the information that you get from your experiment (you organize it into charts and graphs).

• data

• conclusion

• hypothesis

• Comparative

A group of subjects in an experiment that are not exposed to the variable being tested, serving as a benchmark to compare the results of the experimental group (which is receiving the treatment) and determine if the treatment has a significant effect.

• Test Variable

• Metric

• Control Group

• Comparative Investigation

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NGSS.MS-PS1-2

A scientific process that involves designing a fair test to determine if there is a causal relationship between variables.

• Quantitative Observation

• Experimental Investigation

• Qualitative Observation

• Hypothesis

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NGSS.MS-PS2-2

A tentative explanation for a phenomenon that can be tested. It's a key part of the scientific method and is usually based on prior observations, scientific knowledge, and logic.

• Inference

• Measurement

• Hypothesis

• Predict

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NGSS.MS-LS1-5

A process for answering a question using the scientific method.

• Inference

• Hypothesis

• Investigation

• Evidence

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NGSS.MS-LS1-1

The process of repeating an experiment or study to verify its results.

• Replication

• Experiment

• Investigation

• Trials

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NGSS.MS-PS1-2

The process of drawing conclusions from observations using prior knowledge and reasoning.

• Inference

• Investigation

• Predict

• Trials

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NGSS.MS-LS1-5

NGSS.MS-LS2-4